Corstone Contractors LLC - Snohomish, WA
Oregon CCB license #155001 - Corstone Contractors LLC - Snohomish, Oregon. License status: Active. Valid through March 31, 2027.
Snohomish, WA · RMI: Mark Tapert · CCB since 2003 · 23 yrs
CCB Lookup Trust Score
- Active CCB license +40 pts
- 10+ years active (23 yrs) +12 pts
- Surety bond current +8 pts
- Bond above legal minimum +4 pts
- Liability insurance current +8 pts
- Insurance above legal minimum +5 pts
- Responsible Managing Individual identified +3 pts
- Phone number on record +2 pts
- Google Business Profile verified +5 pts
- Business operational on Google +3 pts
- 8 Google reviews +2 pts
- 4★ Google rating (4.0+) +3 pts
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Out-of-state contractor -3 ptsOut-of-state contractors may be less familiar with Oregon regulations and harder to reach in case of a dispute.
Commercial General Contractor in Snohomish, Washington Since 2003
Corstone Contractors LLC is a commercial general contractor licensed in Oregon with 20+ years of experience in the commercial and large commercial construction space. Based in Snohomish, Washington, the firm holds a CGC2 license and serves clients requiring general contracting oversight and project management.
Services:
- Commercial general contracting and project management
- New construction oversight
- Subcontractor coordination and management
The contractor serves the Snohomish area and maintains active CCB standing in Oregon.
CCB #155001 - licensed, bonded ($25,000) and insured ($1,000,000 liability) under Oregon law.
Oregon CCB License #155001 - Corstone Contractors LLC
Oregon CCB license #155001 is currently Active - registered since March 2003 and valid through March 31, 2027.
Contact & Address
Snohomish, WA 98290
Bond & Insurance
The bond and insurance protect you in different situations - learn what each one covers →
Surety Bond
Liability Insurance
Oregon Business Registration
Includes name history, members & managers, and annual report filing history
Workers' Compensation Insurance
Source: Oregon DCBS Workers' Compensation Employer Database. Contractors not listed may be exempt as sole proprietors without employees.
Customer Reviews
Corstone has been great! We are always paid within a reasonable time. I feel it is fair to hold retainage to hold subcontractors accountable. There has to be more to the story than these fly by night reviews. GT POLISHING SYSTEMS
These guys do not pay there subcontractors. So if your hiring these guys.. make sure and get Lien releases. So you don't have to pay twice. These guys are dirtbag so I wouldn't hire them.... Mike Ballatore Fremont Metals
I have worked with these folks off and on since 2001. Mostly as a professional who refers them to my own clients. I’ve not known a more professional group of folks in the commercial / large commercial space ever. Highly recommend, have never had a single complaint. 👍🏽
Reviews from Google
Before You Hire
- Confirm the license is Active and hasn't expired.
- Check that bond and insurance are current - dates are listed above. Bond and insurance cover different risks →
- Confirm the RMI (Responsible Managing Individual) will be on-site.
- Always get a written contract referencing CCB license #155001.
- Cross-verify with the official CCB database - data here may have a delay.
- CCB Lookup does not include complaint or disciplinary history. For complaint records, check the official CCB search →
Verify on CCB.oregon.gov
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Official CCB RecordQuick Summary
- Status Active
- License # #155001
- Type CGC2
- State WA
- RMI Mark Tapert
- Bond $25K
- Insurance $1M
- Lic. expires March 31, 2027
- Bond expires March 31, 2027
- Ins. expires May 1, 2027
- Google rating 4 / 5
- Employees 1-10
- Industry NEW SINGLE-FAMILY HOUSING CONSTRUCTION (EXCEPT OPERATIVE BUILDERS)
- Last updated July 28, 2026
- Synced September 11, 2026
Last updated = last detected change in CCB records. Synced = last fetch from the Oregon CCB Open Data Portal. Data may lag up to 24h.
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Record first imported: February 22, 2026 · Last data change detected: July 28, 2026 · Synced with CCB Open Data: September 11, 2026. Always verify at CCB.oregon.gov before hiring.